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<a href="#pub-methods">Public Member Functions</a> &#124;
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Collaboration diagram for aestate.opera.DBPool.persistent_db.PersistentDB:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
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Private Attributes</h2></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><pre class="fragment">生成基于db-api2的数据库连接池对象
</pre> 
<p class="definition">Definition at line <a class="el" href="persistent__db_8py_source.html#l00020">20</a> of file <a class="el" href="persistent__db_8py_source.html">persistent_db.py</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a494ff676c635db89554562235e5b9fd6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a494ff676c635db89554562235e5b9fd6">&#9670;&nbsp;</a></span>__init__()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">def aestate.opera.DBPool.persistent_db.PersistentDB.__init__ </td>
          <td>(</td>
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          <td class="paramname"><em>creator</em>, </td>
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        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><em>maxusage</em> = <code>None</code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><em>setsession</em> = <code>None</code>, </td>
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        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><em>failures</em> = <code>None</code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><em>ping</em> = <code>1</code>, </td>
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        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><em>closeable</em> = <code>False</code>, </td>
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        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">*&#160;</td>
          <td class="paramname"><em>args</em>, </td>
        </tr>
        <tr>
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        <tr>
          <td></td>
          <td>)</td>
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<pre class="fragment">设置持久性DB-API 2连接生成器。

创建者：返回新的DB-API 2的任意函数
    连接对象或符合DB-API 2的数据库模块
maxusage：连接池最大数量，0表示无限
setsession：可用于准备的SQL命令的可选列表
    会话，例如[“将日期样式设置为...”，“将时区设置为...”]
失败：可选的异常类或异常类的元组
    为此，应应用连接故障转移机制，
    如果默认值（OperationalError，InternalError）不足够
ping：确定何时应使用ping（）检查连接
    （0 =无=永不，1 =默认=每当被请求时，
    2 =创建游标时，4 =执行查询时，
    7 =始终，以及这些值的所有其他位组合）
closeable：设置为True将允许被关闭
threadlocal：线程独立
</pre> 
<p class="definition">Definition at line <a class="el" href="persistent__db_8py_source.html#l00026">26</a> of file <a class="el" href="persistent__db_8py_source.html">persistent_db.py</a>.</p>

</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="a73893f5de059b9e2f96496d3186c6996"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a73893f5de059b9e2f96496d3186c6996">&#9670;&nbsp;</a></span>connection()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">def aestate.opera.DBPool.persistent_db.PersistentDB.connection </td>
          <td>(</td>
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          <td class="paramname"><em>self</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
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</div><div class="memdoc">
<pre class="fragment">共享连接
长时间未关闭则不会被共享
</pre> 
<p class="definition">Definition at line <a class="el" href="persistent__db_8py_source.html#l00076">76</a> of file <a class="el" href="persistent__db_8py_source.html">persistent_db.py</a>.</p>
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<a id="a6ddfe0be6b91cc7658b200487e3b2ba9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6ddfe0be6b91cc7658b200487e3b2ba9">&#9670;&nbsp;</a></span>dedicated_connection()</h2>

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      <table class="memname">
        <tr>
          <td class="memname">def aestate.opera.DBPool.persistent_db.PersistentDB.dedicated_connection </td>
          <td>(</td>
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          <td class="paramname"><em>self</em></td><td>)</td>
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<pre class="fragment">Alias for connection(shareable=False).</pre> 
<p class="definition">Definition at line <a class="el" href="persistent__db_8py_source.html#l00090">90</a> of file <a class="el" href="persistent__db_8py_source.html">persistent_db.py</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a873a9fdf637840f8f5ef989109d6bd11">&#9670;&nbsp;</a></span>steady_connection()</h2>

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          <td class="memname">def aestate.opera.DBPool.persistent_db.PersistentDB.steady_connection </td>
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<pre class="fragment">Get a steady, non-persistent DB-API 2 connection.</pre> 
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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a395402a31d514e2563b603398ed056e6">&#9670;&nbsp;</a></span>_closeable</h2>

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<p class="definition">Definition at line <a class="el" href="persistent__db_8py_source.html#l00062">62</a> of file <a class="el" href="persistent__db_8py_source.html">persistent_db.py</a>.</p>

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<p class="definition">Definition at line <a class="el" href="persistent__db_8py_source.html#l00057">57</a> of file <a class="el" href="persistent__db_8py_source.html">persistent_db.py</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a46d3a717078c41387678c7fcbb91897e">&#9670;&nbsp;</a></span>_failures</h2>

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<p class="definition">Definition at line <a class="el" href="persistent__db_8py_source.html#l00060">60</a> of file <a class="el" href="persistent__db_8py_source.html">persistent_db.py</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#af327cc3d8c342ab4e850f1bb2e5164ab">&#9670;&nbsp;</a></span>_kwargs</h2>

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<p class="definition">Definition at line <a class="el" href="persistent__db_8py_source.html#l00063">63</a> of file <a class="el" href="persistent__db_8py_source.html">persistent_db.py</a>.</p>

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<p class="definition">Definition at line <a class="el" href="persistent__db_8py_source.html#l00058">58</a> of file <a class="el" href="persistent__db_8py_source.html">persistent_db.py</a>.</p>

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<p class="definition">Definition at line <a class="el" href="persistent__db_8py_source.html#l00061">61</a> of file <a class="el" href="persistent__db_8py_source.html">persistent_db.py</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a2f25c221a4576c5d39374f3db5082ed6">&#9670;&nbsp;</a></span>_setsession</h2>

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<p class="definition">Definition at line <a class="el" href="persistent__db_8py_source.html#l00059">59</a> of file <a class="el" href="persistent__db_8py_source.html">persistent_db.py</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a09a9b388e5760f283a6acbf42e3d4eda">&#9670;&nbsp;</a></span>thread</h2>

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<p class="definition">Definition at line <a class="el" href="persistent__db_8py_source.html#l00064">64</a> of file <a class="el" href="persistent__db_8py_source.html">persistent_db.py</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#ab7866cd07c651e5adfa84953cb041906">&#9670;&nbsp;</a></span>version</h2>

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<p class="definition">Definition at line <a class="el" href="persistent__db_8py_source.html#l00024">24</a> of file <a class="el" href="persistent__db_8py_source.html">persistent_db.py</a>.</p>

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